An example in JavaScript of Pact's coin.transfer. Requires dotenv setup with SENDER_NAME, SENDER_PUBKEY, and SENDER_SECRET_KEY

gistfile1.txt

const HELP = "Usage example: \n\nnode transfer.js receiver amount";
const Pact = require("pact-lang-api");
require("dotenv").config();
const NETWORK_ID = "testnet04";
const CHAIN_ID = "1";
const API_HOST = `https://api.testnet.chainweb.com/chainweb/0.0/${NETWORK_ID}/chain/${CHAIN_ID}/pact`;
const KEY_PAIR = {
  publicKey: process.env.SENDER_PUBKEY,
  secretKey: process.env.SENDER_SECRET_KEY,
};

const creationTime = () => Math.round(new Date().getTime() / 1000 - 15);

if (process.argv.length !== 4) {
  console.info(HELP);
  process.exit(1);
}

if (KEY_PAIR.publicKey === "" || KEY_PAIR.secretKey === "") {
  console.error("Please set a key pair");
  process.exit(1);
}

transferCreate(process.env.SENDER_NAME, process.argv[2], process.argv[3]);

async function transferCreate(sender, receiver, amount) {
  const cmd = {
    networkId: NETWORK_ID,
    keyPairs: [
      Object.assign(KEY_PAIR, {
        clist: [
          Pact.lang.mkCap(
            "GAS",
            "Capability to allow buying gas",
            "coin.GAS",
            []
          ).cap,
          Pact.lang.mkCap(
            "Transfer",
            "Capability to allow coin transfer",
            "coin.TRANSFER",
            [sender, receiver, { decimal: amount }]
          ).cap,
        ],
      }),
    ],
    pactCode: `(coin.transfer "${sender}" "${receiver}" ${amount})`,
    envData: {},
    meta: {
      creationTime: creationTime(),
      ttl: 28000,
      gasLimit: 800,
      chainId: CHAIN_ID,
      gasPrice: 0.0000001,
      sender: sender,
    },
  };

  const response = await Pact.fetch.send(cmd, API_HOST);
  //console.log(response);
  console.log(`Request key: ${response.requestKeys[0]}`);
  console.log("Transaction pending...");

  const txResult = await Pact.fetch.listen(
    { listen: response.requestKeys[0] },
    API_HOST
  );
  console.log("Transaction mined!");
  console.log(txResult);
}

if (KEY_PAIR.publicKey === "" || KEY_PAIR.secretKey === "") {
  console.error("Please set a key pair");
  process.exit(1);
}

transferCreate(process.env.FIRST_ACCT_NAME, process.argv[2], process.argv[3]);

async function transferCreate(sender, receiver, amount) {
  const cmd = {
    networkId: NETWORK_ID,
    keyPairs: [
      Object.assign(KEY_PAIR, {
        clist: [
          Pact.lang.mkCap(
            "GAS",
            "Capability to allow buying gas",
            "coin.GAS",
            []
          ).cap,
          Pact.lang.mkCap(
            "Transfer",
            "Capability to allow coin transfer",
            "coin.TRANSFER",
            [sender, receiver, { decimal: amount }]
          ).cap,
        ],
      }),
    ],
    pactCode: `(coin.transfer  "${sender}" "${newAccount}" ${amount})`,
    envData: {},
    meta: {
      creationTime: creationTime(),
      ttl: 28000,
      gasLimit: 800,
      chainId: CHAIN_ID,
      gasPrice: 0.0000001,
      sender: sender,
    },
  };

  const response = await Pact.fetch.send(cmd, API_HOST);
  //console.log(response);
  console.log(`Request key: ${response.requestKeys[0]}`);
  console.log("Transaction pending...");

  const txResult = await Pact.fetch.listen(
    { listen: response.requestKeys[0] },
    API_HOST
  );
  console.log("Transaction mined!");
  console.log(txResult);
}